Supporting UK Composites

Dust Control

Under Control of Substances Hazardous to Health (COSHH), carbon fibre or glass fibre dust is not recognised as hazardous and there is no work exposure limit (WEL) specifically for exposure to either dust. However, with any activities that generate nuisance dust, the dust is classed as a substance hazardous to health where the following work exposure limits are exceeded:

  • 10 mg/m3 averaged over an 8-hour day for inhalable dust
  • or 4mg/m3 averaged over an 8-hour day for respirable dust

Note that the above concentrations are only a quantitive trigger as to whether dust generated in a workplace is subject to the COSHH Regulations, including the need to assess the risk.

This is a complex issue and more information, including technical sheets, is available to Composites UK members - log in here to access it.

HSE guidance on LEV

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